# CalBio vs Pomodoro Study

The clearest difference is in-app purchases: CalBio at none against Pomodoro Study's 9. CalBio also leads on rating (5.0 vs 4.8). Pomodoro Study's advantage is update cadence (every 3 months vs every 10 months) and ratings volume (6 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pomodoro Study sells 9 in-app purchases, starting at $3.99 per month. CalBio asks for nothing beyond the download.

CalBio holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

CalBio ships an update every 10 months, Pomodoro Study every 3 months. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CalBio | Pomodoro Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calbio/id1451734362/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/pomodoro-study-focus-timer/id6747389210/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | **Free** | Freemium |
| Size | 31 MB | 25 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andres Enrique Lai Reyes](https://appshunter.io/developer/1366617946) | [OGUZ DELIOGLU](https://appshunter.io/developer/1769359439) |

## What reviewers say

### CalBio

[App page](https://appshunter.io/ios/app/calbio/id1451734362)

This astronomical calendar supports biodynamic practices with daily celestial observations, planetary positions, and recommended agricultural activities. It's valid for both hemispheres and works offline, offering content in Spanish, English, and Portuguese.

**Highlights:** Astronomical calendar for biodynamic practices, Celestial observations and planetary positions, Daily agricultural activity recommendations, Offline functionality, Multi-language support (Spanish, English, Portuguese), Valid for both hemispheres

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pomodoro Study

[App page](https://appshunter.io/ios/app/pomodoro-study-focus-timer/id6747389210)

Enhance your focus and productivity with a timer that combines the Pomodoro technique with task planning and ambient sounds. Track your progress, build better habits, and organize projects into manageable work sessions for deeper concentration.

**Highlights:** Pomodoro timer, Task planning, Smart breaks, Progress tracking, Ambient sounds, Customizable intervals

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Annually Premium | $29.99 | per year |
| Buy Me Coffee | $4.99 | one-time |
| Timer Gradient Glow | $4.99 | one-time |
| Timer Lofi Vibes | $4.99 | one-time |
| Timer Neu Morphic | $4.99 | one-time |
| Timer Glass Morphic | $4.99 | one-time |
| Buy Me Supporter | $14.99 | one-time |
| Buy Me Sponsor | $29.99 | one-time |


## Frequently asked questions

### Is CalBio free?

CalBio is free to download, with no in-app purchases.

### Is Pomodoro Study free?

Pomodoro Study is free to download, with in-app purchases available.

### Which has better reviews, CalBio or Pomodoro Study?

CalBio is rated higher. CalBio averages 5.0 out of 5 from 2 ratings, while Pomodoro Study averages 4.8 from 6 ratings.

### Do CalBio or Pomodoro Study have ads?

Neither CalBio nor Pomodoro Study shows ads.

### Which is updated more often, CalBio or Pomodoro Study?

CalBio ships an update every 10 months, and Pomodoro Study every 3 months. Most recently, CalBio was updated on October 1, 2026 and Pomodoro Study on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*